{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{4}{c}}
\hline\hline
                    &\multicolumn{4}{c}{\specialcell{\;\;\;\;\; Distance to nearest constructed source \;\;\;\;\;}}\\\cmidrule(lr){2-5}
                    &\multicolumn{1}{c}{(1)}   &\multicolumn{1}{c}{(2)}   &\multicolumn{1}{c}{(3)}   &\multicolumn{1}{c}{(4)}   \\
\hline
Distance to nearest predicted location&       0.480***&       0.346** &       0.662***&       0.729***\\
                    &     (0.119)   &     (0.139)   &     (0.124)   &     (0.070)   \\
Constant            &       1.238***&       1.550***&       1.152***&       1.030***\\
                    &     (0.254)   &     (0.322)   &     (0.219)   &     (0.127)   \\
\hline
Predicted location  &        Desk   &        Desk   &   Algorithm   &   Algorithm   \\
Treatment unit fixed effects&          No   &         Yes   &          No   &         Yes   \\
R2                  &        0.24   &        0.42   &        0.20   &        0.49   \\
Obs                 &        2871   &        2871   &        2871   &        2871   \\
\hline\hline
\end{tabular}
}
